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10 cards from this deck
sinθ=OppositeHypotenuse\sin \theta = \frac{\text{Opposite}}{\text{Hypotenuse}}sinθ=HypotenuseOpposite
cosθ=AdjacentHypotenuse\cos \theta = \frac{\text{Adjacent}}{\text{Hypotenuse}}cosθ=HypotenuseAdjacent
tanθ=OppositeAdjacent\tan \theta = \frac{\text{Opposite}}{\text{Adjacent}}tanθ=AdjacentOpposite
Inverse functions: sin−1\sin^{-1}sin−1, cos−1\cos^{-1}cos−1, tan−1\tan^{-1}tan−1
Split it into right triangles first
Remain the same
Label the sides relative to the angle
Cosine (CAH)
Tangent (TOA)
Sine (SOH)
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